Ginkgo improves blood flow to the brain and acts as an antioxidant. These effects may translate into some benefits for certain medical problems, but the results have been mixed. Some studies have found that in healthy people, ginkgo might modestly boost memory and cognitive speed.
Various preclinical and clinical studies have shown a positive effect of Ginkgo biloba to improve cognitive abilities in impaired individuals and reducing anxiety under pathological conditions.
According to older studies, consuming around 240 mg of this natural herb 30–60 minutes before bed may help reduce stress, enhance relaxation, and promote sleep.
If you are older, have a bleeding disorder or are pregnant, don't take ginkgo.
The supplement might increase your risk of bleeding. If you're planning to have surgery, stop taking ginkgo two weeks beforehand. Ginkgo might interfere with the management of diabetes.